Quantity Updated
Please note, the order volume has been updated. This is due to package and minimum order quantities.
Please note, the order volume has been updated to. This is due to package and minimum order quantities.
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Read the operating instructions before use. |
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Instructions for use and other useful information |
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Dealing with recyclable materials |
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Do not dispose of electric equipment and batteries as household waste |
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These numbers refer to the corresponding illustrations found at the beginning of these operating instructions |
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The numbering reflects the sequence of operations shown in the illustrations and may deviate from the steps described in the text |
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Item reference numbers are used in the overview illustrations and refer to the numbers used in the product overview section |
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This symbol is intended to draw special attention to certain points when handling the product. |
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Wear eye protection |
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Wear a hard hat |
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Wear ear protection |
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Wear protective gloves |
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Wear protective footwear |
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Wear light respiratory protection |
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Read the operating instructions before use |
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Theft protection indicator |
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Drilling performance indicator |
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Service indicator |
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Do not transport by crane |
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Equipped with theft protection system |
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Amps |
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Volts |
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Alternating current |
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Watts |
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Hertz |
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Rated speed under no load |
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Diameter |
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Millimeters |
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Revolutions per minute |
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Wireless data transfer |
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On the drill stand and the vacuum base plate Top : An additional means of securing the drill stand must be employed when the machine is used for horizontal drilling with the vacuum securing method. Bottom : Use of the vacuum securing method for overhead drilling with the drill stand is not permissible. |
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On the diamond core drilling machine Use of the water collection system in combination with a wet-type industrial vacuum extractor is mandatory for upward wet drilling. |
Diamond core drilling machine |
DD 150-U |
Generation: |
02 |
Serial no.: |
The product described is an electrically powered diamond core drilling machine. It is designed to be used hand-held for the wet and dry drilling of through-holes and blind holes and, when mounted on the drill stand, for the wet drilling of through-holes and blind holes in (reinforced) mineral materials.
The product described is designed for professional use and may be operated, serviced and maintained only by trained, authorized personnel. This personnel must be informed of any particular hazards that may be encountered. The product described and its ancillary equipment may present hazards when used incorrectly by untrained personnel or when used not as directed.Symbol |
Status |
Meaning |
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Orange light |
Contact pressure too low |
Green light |
Contact pressure ideal |
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Red light |
Contact pressure too high |
Symbol |
Status |
Meaning |
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Red light Product running |
The carbon brushes are badly worn. End of service interval – servicing is due. You can continue working for a number of hours after the indicator first shows, before automatic cut-out is activated. Bring the product to Hilti Service in good time. |
Red light Product not running |
The carbon brushes must be replaced. |
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Flashing red light |
The diamond core drilling machine has overheard or is damaged. See Troubleshooting. |
DD 150-U |
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Rated current input |
120 V |
19.5 A |
230 V |
10.3 A |
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Rated power input |
2,200 W |
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Weight of the diamond core drilling machine |
8.2 kg |
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Weight of the drill stand with combination base plate and carriage |
13.3 kg |
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Dimensions, diamond core drilling machine (L×W×H) |
20.3 in x 5.1 in x 6.3 in (516 mm x 129 mm x 159 mm) |
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Dimensions, drill stand (L×W×H) |
24.0 in x 9.8 in x 37.5 in (610 mm x 250 mm x 952 mm) |
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Permissible water supply pressure |
≤ 6 bar |
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Rated speed under no load |
1st gear |
840 /min |
2nd gear |
1,640 /min |
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3rd gear |
3,070 /min |
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Protection class |
Protection class I (earthed) |
Anchor base plate |
10.6 in (270 mm) |
Vacuum base plate |
11.4 in (290 mm) |
Combination base plate |
11.4 in (290 mm) |
Rated voltage |
100 V |
110 V GB |
110 V TW |
120 V |
127 V |
220 V |
230 V |
240 V |
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Rated current input |
15 A |
16 A |
15 A |
19.5 A |
18.5 A |
10 A |
10.3 A |
9.9 A |
AC frequency |
50/60 Hz |
50/60 Hz |
50/60 Hz |
60 Hz |
50/60 Hz |
50/60 Hz |
50/60 Hz |
50/60 Hz |
Conductor cross-section → ↓ Mains (AC) voltage |
1.5 mm² |
2.5 mm² |
3.5 mm² |
4.0 mm² |
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100 V |
Not recommended |
Not recommended |
25 m |
Not recommended |
110 V |
Not recommended |
15 m |
Not recommended |
30 m |
127 V |
Not recommended |
20 m |
Not recommended |
35 m |
220 V |
35 m |
65 m |
Not recommended |
105 m |
230 V |
40 m |
70 m |
Not recommended |
110 m |
240 V |
40 m |
70 m |
Not recommended |
110 m |
1st gear |
2nd gear |
3rd gear |
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Ø core bits (stand-guided drilling, wet) |
With water collection system |
4.0 in … 6.4 in (102 mm … 162 mm) |
1.1 in … 3.4 in (28 mm … 87 mm) |
0.5 in … 1.0 in (12 mm … 25 mm) |
Without water collection system |
4.0 in … 6.4 in (102 mm … 162 mm) |
1.1 in … 3.4 in (28 mm … 87 mm) |
0.5 in … 1.0 in (12 mm … 25 mm) |
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Ø core bits (hand-held drilling, wet) |
Without water collection system |
4.8 in … 5.2 in (121 mm … 131 mm) |
1.6 in … 4.4 in (41 mm … 111 mm) |
0.3 in … 1.4 in (8 mm … 36 mm) |
Ø core bits (hand-held drilling, dry, HDMU) |
With dust removal system |
4.8 in … 6.4 in (122 mm … 162 mm) |
2.6 in … 4.4 in (67 mm … 112 mm) |
·/· |
Ø core bits (hand-held drilling, dry, PCM) |
With dust removal system |
2.0 in … 6.4 in (52 mm … 162 mm) |
·/· |
·/· |
Hand-held/ Mounted on the drill stand |
Additional systems |
Core bit diameter |
Drilling direction |
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hand-held/dry |
With dust removal system |
1.5 in … 6.4 in (37 mm … 162 mm) |
All directions |
hand-held/wet |
Without water collection system |
0.3 in … 5.2 in (8 mm … 132 mm) |
Not upwards |
hand-held/wet |
With water collection system |
0.3 in … 2.4 in (8 mm … 62 mm) |
All directions |
on drill stand/wet |
Without water collection system |
0.5 in … 6.4 in (12 mm … 162 mm) |
Not upwards |
on drill stand/wet |
With water collection system |
0.5 in … 6.4 in (12 mm … 162 mm) |
All directions |
Technical data |
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Anchor base plate |
10.6 in (270 mm) |
Combination base plate |
11.4 in (290 mm) |
Technical data |
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Combination base plate |
11.4 in (290 mm) |
Vacuum base plate |
11.4 in (290 mm) |
Technical data |
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Tightening torque |
5 Nm |
Malfunction |
Possible cause |
Action to be taken |
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The PRCD isn’t switched on. |
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Interruption in the electric supply. |
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Water in the motor. |
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The carbon brushes are worn out. |
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The motor has overheated. |
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Overload error. |
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The diamond core drilling machine has not been unlocked (machines with optional theft protection system). |
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Malfunction |
Possible cause |
Action to be taken |
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The carbon brush wear limit has almost been reached. The diamond core drilling machine will continue to run for a few hours until it shuts down automatically. |
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The carbon brushes have been changed and must be run in. |
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The diamond core drilling machine doesn’t achieve full performance. |
Supply network fault – undervoltage occurred. |
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The diamond core bit doesn’t rotate. |
The gear selector isn’t engaged. |
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The diamond core bit has become jammed in the hole. |
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The rate of drilling progress decreases. |
Maximum drilling depth has been reached. |
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The core is stuck in the core bit. |
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Wrong core bit specification for the base material. |
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High steel content (indicated by clear water containing metal cuttings). |
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The diamond core bit is defective. |
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Wrong gear selected. |
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Contact pressure is too low. |
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The machine has too little power. |
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The diamond core bit is polished. |
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The water flow rate is too high. |
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The water flow rate is too low. |
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The carriage lock is engaged. |
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Dust is hindering drilling progress. |
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The hand wheel can be turned without resistance. |
The shear pin is broken. |
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The diamond core bit cannot be fitted into the chuck. |
The core bit connection end or chuck is dirty or damaged. |
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Water escapes at the water swivel or gear housing. |
The water pressure is too high. |
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Water escapes at the chuck during operation. |
The diamond core bit isn’t securely tightened in the chuck. |
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The core bit connection end / chuck is dirty. |
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The seal at the chuck or at the connection end is defective. |
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No water is flowing. |
The filter or water flow indicator is blocked. |
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The drilling system has too much play. |
The diamond core bit isn’t securely tightened in the chuck. |
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The core bit connection end / chuck is defective. |
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The carriage has too much play. |
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Screws / bolts on the drill stand are loose. |
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The drill stand is inadequately fastened. |
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